Singer 1501 Manuals

Manuals and User Guides for Singer 1501. We have 2 Singer 1501 manuals available for free PDF download: Service Manual, Operator Instructions Manual

Singer 1501 Service Manual (251 pages)

Intelligent Terminal

Brand: Singer | Category: Touch terminals | Size: 20.13 MB

List of Effective Pages
4
Contents
6
Illustrations
10
Tables
12
General Description
14
Models and Options Available
15
Location of Major Components
16
Controls and Indicators
16
Capabilities
18
Display and Keyboard
18
Processor
19
Memory
19
I/O Controller
19
Cartridge Tape Units
19
Weights and Dimensions
20
Dual Serial Input-Output
20
Communications Adapters
20
Power Requirements
20
Environmental Requirements
21
Ambient Temperature
21
Relative Humidity
21
Functional Description
22
General
22
Organization and Use of the Memory
23
Model 1501 Intelligent Terminal Block Diagram
23
Exchange of Data with the I/O Controller
24
Display Generation
24
Keyboard Inputs
25
Operation of the Cartridge Tape Units
25
Operation of the Communications Adapters
26
Serial Input-Output Channel
26
Processor Block Diagram
28
Word Formats
30
Memory Addresses
30
Typical Instruction Format
30
Organization of Memory
31
Memory Address Format
31
Instruction Addressing
32
Sample Address
32
Contents of Stack Pointer Addresses
32
Use of the Stack Pointer
33
Typical Location of Instructions in Memory
33
Data Addressing
36
Processor Timing
37
Instruction Cycles
37
Machine Cycle Timing Diagram
38
Cycles Required by each Instruction
39
Processor Instruction Set
44
Test Literal and Jump
44
Test Mask and Jump
44
Test Literal and Exit
44
TMX - Test Mask and Exit
50
BRU - Branch Unconditional
50
BRE - Branch on Equal
50
BRH - Branch on High
50
SBU - Stack and Branch Unconditional
51
SBE - Stack and Branch on Equal
51
SBH - Stack and Branch on High
51
SBL - Stack and Branch on Low
51
SMS - Set Memory Section
52
SMC - Set Memory Control
52
SSC - Set Memory Section and Control
52
LSW - Load Sense Switches
52
LPS - Load Processor Status
53
DPI - Disable Processor Interrupt
53
EPI - Enable Processor Interrupt
53
CPI - Clear Processor Interrupt
53
STA -- Store Accumulator
54
ADA - Add to Accumulator
54
ADX - Add to Index Register
54
SUA - Subtract from Accumulator
54
SER - Shift and Exclusive or to Accumulator
55
IRA - Inclusive or to Accumulator
55
SIR - Shift and Inclusive or to Accumulator
55
Cpa
55
Operation of Class 1 Decoder B15
56
Operation of Class 1 and 15X Decoder B16
56
Cycle Counters
58
Initial Conditions
60
Tape Loader
62
Tape Loader ROM Program
63
SIO Channel Loader ROM
64
SIO Channel Loader ROM Program
66
Interrupt Controls
68
Interrupt Controls Timing Diagram
68
To Summarize the ASB Operation
69
Branch Controls
70
Stall and Skip Conditions
70
Stack Pointer
71
Use of the U and V Bits
73
Address Net
76
Inputs from the Stack Pointer
76
Output of Memory Address Net
77
Inputs from the Memory Address Register
78
External Address Inputs
78
Selection of an Index Register
78
Selection of a Data Address
79
Memory Data Register
79
Register
80
Adder
80
Adder Controls
81
Output Switch
82
Memory Input and Output Multiplexers
83
Program Interlock
84
Execution of Class 0 Instructions
85
Execution of Class 1 Instructions
87
Execution of Class 2 Instructions
91
Execution of Class 3 Instructions
94
8,192-Byte Memory
95
Selection of the Memory Address
96
Memory Board
96
Memory Block Diagram
96
Address Applied to 8,192-Byte Memory
97
Organization of the 8,192 Byte Memory Array
98
Memory Timing
99
16,382-Byte Memory with Parity
100
Organization of the Memory Array
101
Data Input
101
Data Output
101
Address Multiplexers
105
Refresh Counter and Decoder
106
Refresh Control Circuits
107
Parity Errors
108
Internal Oscillator
108
Input-Output Controller
109
I/O Controller Block Diagram
110
Accumulator
114
Keyboard Control Circuits
117
Shift Control Circuits Timing Diagram
117
Format of I/O Status Word
118
CRT Display Control Circuits
120
Format of Display Area
121
Format of IWR for CRT Instructions
123
Command Register
124
Display Sequence in Normal Mode
125
Display Sequence in Interleaved Mode
125
Clock Circuit
126
Display Timing
126
2Mhz Clock Timing Diagram
127
Vertical Sweep Timing Diagram
128
Memory Addressing
130
Horizontal Sweep Timing Diagram
130
Addresses Applied to Memory
131
Formation of the Character a
134
Character Synchronization Counter
135
Character Synchronization Timing Diagram
136
Tape Control Circuits
138
Recording Method
138
Tape Commands
139
Format of Cartridge Tape Record
140
Tape Unit Selection
141
Tape Multiplex Circuits
142
Write Clock
144
Writing on the Tape
144
Write Operation Timing Diagram
145
Reading from the Tape
146
Read Operation Timing Diagram
148
Tape I/O Stall Circuits
150
Serial I/O Channel
151
Phase Encoded Signals
152
SIO Control Circuits Block Diagram
154
Transmission Techniques
156
Organization of Data on the SIO Line
156
Start Byte
156
Idle Byte
157
Status Byte
157
Address Byte
157
Idle Byte Format
158
Status Byte Format
158
Address Byte Format
158
SIO Channel Instructions
159
Command Byte Format
159
Data Byte Format
159
SIO Channel
160
Sequence of Operation in the Master Mode
162
Sequence of Operation in the Slave Mode
163
Input Data Register
164
Address Register and Detector
164
Data Multiplexer
165
Shift Register
165
Address Sequence Timing Diagram
166
Shift Register Control Circuits
168
Idle Detector
169
Output Data Register
170
Output Data Control Circuits
170
SIO Sprocket and Stall Circuits
171
I/O Operation Decoder
171
Synchronization Circuits
172
Nine-Counter Timing Diagram
174
Phase Decoder
176
Phase Decoder Timing Diagram
178
Phase Encoder
180
Phase Encoder Timing Diagram
182
Tape Motion Control Board
186
Cartridge Tape Unit Block Diagram
186
Command Decoding
187
Capstan Drive Amplifiers
187
Cartridge in and Locked
187
Clip-In
187
Supply and Take-Up Motor Drive
189
Motion Control Timing Diagram
190
Tape Amplifiers
191
End of Tape Circuits
191
Read Preamplifier Simplified Schematic
192
Record Format
193
Interrecord Gap
194
Selection of Tape Channel
194
Energy Detector and Data-Q Paths
194
Tape Amplifier Signals
195
System Reset Board
196
Reset Section
197
Input-Output Section
197
Tape Amplifier Timing Diagram
198
Power on Clear Timing Diagram
200
Dual Input-Output Section
201
Maintenance
202
Tools, Test Equipment, and Materials Required
202
Location of Model 1501 Major Components
203
Preventive Maintenance and Cleaning
204
Preventive Maintenance Schedule
204
Test Procedure
205
Serial I/O Failure Symptoms
206
Small CRT Failure Symptoms
207
Power Failure Symptoms
208
Keyboard Failure Symptoms
209
Removal and Replacement Procedures
213
Processor/Memory Board Removal and Replacement
213
I/O Controller and Communications Boards Removal and Replacement
214
Keyboard Removal and Replacement
214
CRT Visual Display Removal and Replacement
215
System Reset Board Removal and Replacement
215
Cartridge Tape Drive Removal and Replacement
216
Cartridge Tape Drive
216
Tape Amplifier Board Removal and Replacement
217
Location of Tape Speed Adjustments on the Motion Control Board
217
Capstan Removal and Replacement
218
Wired Module Removal and Replacement
219
Cooling Fan Removal and Replacement
219
Power Supply Removal and Replacement
220
S10 Channel Bootstrap Loader Board Removal and Replacement
221
Adjustment Procedures
222
CRT Display Adjustments
222
Crt/Speaker Adjustments
222
Speaker Volume Adjustment
224
Tape Speed Adjustment
224
Power Supply Adjustment
225
Location of Adjustment Potentiometers
226
Power Supply Voltage Adjustment
227
Power Supply Overvoltage Adjustment
230
Installation
232
Tools and Equipment Required
232
Unpacking
233
Installation Procedure
234
Systems Verification
234
Reference Data
236
Signal Glossary
237

Singer 1501 Operator Instructions Manual (31 pages)

INTELLIGENT TERMINAL

Brand: Singer | Category: Typewriter | Size: 2.5 MB

Table of Contents
4
Introduction
7
1 General Description

8
- Singer Model 1501 Intelligent Terminal
  8
2 OPERATOR CONTROL Panels

9
- Keyboard Layout
  10
- Controls on the Tape Drive
  11
- Tape Cartridge
  12
- Tape Cartridge with Cartridge Cap
  12
3 Operating Procedures

13
- Scope of this Section
  13
- Inspection of the Terminal
  13
- Application of Power
  13
- Loading a Tape Cartridge
  13
- Normal Operation
  15
- Unloading a Tape Cartridge 3~3
  15
- Error or Check Conditions
  16
- Tape Errors
  18
4 Operator Maintenance

20

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Singer 1501 Service Manual (251 pages)

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Singer 1501 Operator Instructions Manual (31 pages)

Table of Contents

1 General Description

2 OPERATOR CONTROL Panels

3 Operating Procedures

4 Operator Maintenance

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